[Development] iMX6 EGLGS 2D (QtWidgets) painting acceleration

[Denis Shienkov]

> Using Qwt with a current Qt version seems to run
the same ways as with Qt4/X11 without any problems.

Uwe, wow :) What Qt5 version are you use?

Denis

ср, 5 сент. 2018 г. в 12:31, Uwe Rathmann <Uwe.Rathmann at tigertal.de>:

> On Wed, 05 Sep 2018 09:56:36 +0100, Sérgio Martins via Development wrote:
>
> >> What needs to be done to make it become effective ?
> >
> > export QT_XCB_NATIVE_PAINTING=1
>
> I did a quick check with using QPainter on a QPixmap and indeed it runs
> the X11 paint engine. Using Qwt with a current Qt version seems to run
> the same ways as with Qt4/X11 without any problems.
>
> So this is great news - at least for me, others might be aware of this
> option for a longer time.
>
> I also googled for QT_XCB_NATIVE_PAINTING without almost no results. I
> understand, that reverting a decision is not stuff for big announcements,
> but for such an important improvement: has it been communicated at least
> somewhere ?
>
> It also raises questions about the status of the X11 paint engine.
> Several bugs have been closed because of not fixing the X11 paint engine
> anymore.
>
> Does it make sense to write bug reports, when it behaves not according to
> the specs - or when it differs from what the raster paint engine does ?
>
> Uwe
>
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